{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xcbd8b60fba00d9c5e61ab41ceaae8ccb74d0e5dba3853f44b37df8f7025e73fc",
    "signature": "0x1dbecbcb3a8d6963a33fd57d00d0af23d1a3d760fa3b6b4ea2fe657bb1e0e85665844b8b1abfd40c3771fab5b6ba2d1b98c4f9bad30dce25920a4396b638c2b11c",
    "signer": "0xEB82b0B3E0C8Ca35edDe7c7AE5940999f64e5493",
    "userId": "2021159"
  }
}